Fisher Space Pen Pressurized Ballpoint Ink Refill, Medium Point, #SPR4
- Refill Cartridge for the Thin Blue Line Pen
- Medium Point
- Writes upside down & underwater.
- Operates from -30 degrees F to 250 degrees F
Color:Â Brass Barrel / Black Ink
Cartridge: Fisher Pressurized SPR4, Black Ink, Medium Point
Point Size:Â 1.1mm Ball
Refill Length: 3.51’’
Packaging:Â Refill Cartridge Blister Card
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Fisher Space Pen Pressurized Ballpoint Ink Refill, Medium Point, #SPR4
Fisher Space Pen Pressurized Ballpoint Ink Refill, Medium Point, #SPR4
- Refill Cartridge for the Thin Blue Line Pen
- Medium Point
- Writes upside down & underwater.
- Operates from -30 degrees F to 250 degrees F
Color:Â Brass Barrel / Black Ink
Cartridge: Fisher Pressurized SPR4, Black Ink, Medium Point
Point Size:Â 1.1mm Ball
Refill Length: 3.51’’
Packaging:Â Refill Cartridge Blister Card
Original: $7.95
-65%$7.95
$2.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- Refill Cartridge for the Thin Blue Line Pen
- Medium Point
- Writes upside down & underwater.
- Operates from -30 degrees F to 250 degrees F
Color:Â Brass Barrel / Black Ink
Cartridge: Fisher Pressurized SPR4, Black Ink, Medium Point
Point Size:Â 1.1mm Ball
Refill Length: 3.51’’
Packaging:Â Refill Cartridge Blister Card



















